Galaxy GHDX2-2430S-16F4D Installation and Hardware Reference Manual
1-4
Product Overview
1.1.2.4 Hard Drive Numbering
The front panel of the GHDX2-2430S-16F4D enclosure houses sixteen (16)
hard drives in a 4x4 configuration as shown in
Figure 1-4
. When viewed
from the front, the drive bays (slots) are numbered 1 to 16 from top to
bottom, from left to right.
Figure 1-4: Hard Drive Numbering
1.1.2.5 Rear Panel Overview
The rear section of the GHDX2-2430S-16F4D subsystem is accessed
through the rear panel and is reserved for single RAID controller module, an
optional BBU, two (2) power supply units (PSUs), and two (2) cooling
modules. A metal sheet covers the lower section of controller model slot and
BBU slot.
The rear panel of the GHDX2-2430S-16F4D described in this manual is
shown in
Figure 1-5
.
A description of each rear panel component is given
below:
Figure 1-5: GHDX2-2430S-16F4D Rear View
The rear panel shown in
Figure 1-5
accommodates the following
components:
•
RAID controller module:
A single controller module is installed in
the GHDX2-2430S-16F4D. The controller module contains a
RAID controller board, interface board, DDR RAM DIMM module
which provide the system RAID functionalities. (See
Section
1.2.3
.)
•
BBU:
An independent BBU sustain cache memory during a power
shortage to prevent data loss. (See
Section 1.2.6
.)